US PATENT SUBCLASS 508 / 445
.~.~.~ Chalcogen bonded directly to the carbon of the -C(=X)X-group (e.g., xanthate esters, trithiocarbonate esters, etc.)


Current as of: June, 1999
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508 /   HD   SOLID ANTI-FRICTION DEVICES, MATERIALS THEREFOR, LUBRICANT OR SEPARATE COMPOSITIONS FOR MOVING SOLID SURFACES, AND MISCELLANEOUS MINERAL OIL COMPOSITIONS

110  DF  LUBRICANTS OR SEPARANTS FOR MOVING SOLID SURFACES AND MISCELLANEOUS MINERAL OIL COMPOSITIONS (E.G., WATER CONTAINING, ETC.) {53}
443  DF  .~ Organic -C(=X)X- compound, wherein the X's are the same or diverse chalcogens, with at least one X being sulfur {1}
444  DF  .~.~ The single bonded chalcogen is bonded directly to an additional carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon (i.e., thiocarboxy esters) {1}
445.~.~.~ Chalcogen bonded directly to the carbon of the -C(=X)X-group (e.g., xanthate esters, trithiocarbonate esters, etc.)


DEFINITION

Classification: 508/445

Chalcogen bonded directly to the carbon of the -C(=X)X-group (e.g., xanthate esters, trithiocarbonate esters, etc.):

(under subclass 444) Compositions wherein the carbon of the -C(=X)X- group is bonded directly to an additional chalcogen.

(1) Note. An example of a component provided for herein is: CH3-O-C(S)-S-CH3[end subscrpt]